Listen to Happy Birthday Yaar Ko Aayo online. Happy Birthday Yaar Ko Aayo is a Hindi language song and is sung by Jagram Jorwal and Sourabh Jorwal. Happy Birthday Yaar Ko Aayo, from the album Happy Birthday Yaar Ko Aayo, was released in the year 2023. The duration of the song is 10:17. Download Hindi songs online from JioSaavn.